| A | B |
|---|
| teachable moments | a time when a person can learn a new task |
| neurons | brain cells |
| dendrites | short, bushy cables that receive signals |
| axon | longer, heavier cables that send signals |
| sequenced steps | the steps in growth and development follow one another in a set order |
| developmental tasks | tasks that should be mastered at a certain stage in life |
| epigenome | means "above the genes," chemicals that can turn genes on or off |
| developmental delay | when a child performs like a younger child |
| developmental acceleration | when a child performs like an older child |
| pruning | when the brain weeds out unused pathways |
| blossoming | the rapid growth of dendrites |
| neonatal intensive care units | heated, completely enclosed beds |
| intensive care nursery | a unit for babies that need immediate care after birth |
| neonatology | a branch of medicine concerned with the care, development, and diseases of newborns |
| embryo | the name for the baby during the second stage of prenatal development |
| neonate | from the Latin words meaning "new" and "born" |
| fetus | the name for the baby after bone cells start to replace cartilage |
| reflexes | automatic, unlearned behaviors |
| phenylketonuria | a disease that can cause mental retardation if untreated by diet |
| sickle cell anemia | causes anemia, pain, damage to vital organs, and early death |
| galactosemia | the inability to convert a sugar in milk into glucose |
| hypothyroidism | a thyroid hormone deficiency which, if untreated, leads to slow growth and brain development |
| colic | a condition in which the baby has intense abdominal pain |
| quickening | when the mother feels movements from the fetus |
